Weather forecast for today
Port Isabel, TX

Weather forecast for today

Monday, Mar 31.

Mostly Cloudy
7:19 am

7:46 pm
CDT
Mostly Cloudy
81°F / 73°F
  • Wind: 12mph E
  • Humidity: 83%
  • Precip. probability: 14%
  • Precipitation: 0"
  • UV index: 8
On Monday, March 31, overcast skies will be the dominant feature.
A mild temperature range, peaking at a moderately hot 80.6°F and bottoming out at a temperate 73.4°F, is predicted.
The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be a humid 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Conditions will lean warmer, as the high of 80.6°F is more representative of April's climate.
Sunrise was at 7:19 am and sunset will be at 7:46 pm; the daylight will last for 12h and 28min.

Current condition

Cloudy
10:34 am CDT
Cloudy
  • 79°F
  • Feels like: 79°F
  • Wind: 6mph ESE
  • Humidity: 84%
  • Dewpoint: 73°F
  • Pressure: 29.85"Hg
  • Precipitation: 0"
  • Visibility: 6mi
  • UV index: 2
In Port Isabel, at the moment, the sky remains cloudy, with no signs of clearing anytime soon.
The temperature is a temperate 78.8°F. The current temperature is nearly at the maximum of today's expected 80.6°F.

Frequently asked questions

What is the temperature now?
The current temperature (10:34 am CDT) is 78.8°F.
What is the weather forecast for Port Isabel for today?
On Monday, the weather will be mostly cloudy.
What will be the highest temperature today?
Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 73.4°F. The maximum heat index, which combines relative humidity and air temperature, is appraised at 86°F.
The highest temperature will be slightly warmer than the average maximum of 73°F in March. The lowest temperature will be also slightly warmer than the average low of 66°F.
When is the sunrise / sunset today?
On Monday, in Port Isabel, sunrise was at 7:19 am and sunset will be at 7:46 pm (CDT).
How long is the day today?
In Port Isabel, the length of the day today will be 12h and 28min.

Hourly weather forecast

11 am
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 7mph ESE
  • Pressure: 29.83"Hg
  • Humidity: 83%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 8mi
12 pm
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 9mph E
  • Pressure: 29.85"Hg
  • Humidity: 83%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 7mi
1 pm
  • 81°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 9mph E
  • Pressure: 29.83"Hg
  • Humidity: 83%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 8mi
2 pm
  • 81°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph E
  • Pressure: 29.83"Hg
  • Humidity: 84%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 9mi
3 pm
  • 79°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph E
  • Pressure: 29.8"Hg
  • Humidity: 85%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 9mi
4 pm
  • 79°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.8"Hg
  • Humidity: 82%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 79°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.77"Hg
  • Humidity: 83%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 9mi
6 pm
  • 79°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph ENE
  • Pressure: 29.77"Hg
  • Humidity: 85%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 8mi
7 pm
  • 77°F
  • Feels like:
    82°F
Cloudy
Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.8"Hg
  • Humidity: 88%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 7mi
Sunset: 7:46 pm
8 pm
  • 75°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.8"Hg
  • Humidity: 94%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
9 pm
  • 75°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 11mph ENE
  • Pressure: 29.83"Hg
  • Humidity: 95%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 9mi
10 pm
  • 75°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 10mph ENE
  • Pressure: 29.85"Hg
  • Humidity: 95%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 8mi
11 pm
  • 75°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 9mph E
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 7mi
Today, cloudy skies are expected.
The temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 80.6°F. The warmest part of the day will be at 1 pm and 2 pm.
The forecasted high is more comparable to April's typical maximum of 77.7°F than the usual for March. The expected low will be also more resembling what’s common in April than the current March average of 66°F.
Updated: Mar 31, 2025 @ 15:34:28 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Port Isabel, Texas, USA

  • en: Port Isabel, Texas, USA
  • es: Port Isabel, Texas, EE.UU.
  • hr: Port Izabel, Teksas, SAD
  • sr: Port Izabel, Teksas, SAD
  • zh: 伊莎贝尔港, 德州, 美国
  • Latitude: 26.073412°
  • Longitude: -97.208584°
  • Elevation: 10 ft
  • Current time: 10:34am CDT
  • Sunrise: 7:19 am CDT
  • Sunset: 7:46 pm CDT
  • Timezone: America/Chicago
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